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While many people blame their obesity on a number of factors, most cases can be explained with one of three factors, or some combination of them.
Genetic factors
In cases of those that seem to gain weight without any reason or seem to maintain their weight without effort, these weight-related differences are seen to be the result of genetic factors.
Genes have been identified that can increase or decrease the appetite
The appetite can be affected by the presence of certain genes, meaning that some people are naturally hungrier than others and need to eat larger quantities of food in order to be satisfied. This can lead to a propensity for weight gain.
Eating factors
Some people have a tendency to choose foods that are higher in calories and fat than others. This can create a greater chance of these people gaining weight. Instead of filling their plates with low calorie foods, they fill up on fatty portions, which can also lead to heart disease.
Others will turn to eating as a way to deal with emotions - fatigue, boredom, and other emotions. By using food to help satisfy some need rather than eating when they're actually hungry, this behavior can lead to unwanted weight gain. When you're feeling upset, find other ways to handle the emotions. Call a friend, distract yourself, or head outside for a walk. There are other ways to make your self feel better.
Exercise and activity factors
Those who are more active on a regular basis tend to gain less weight than those that are more sedentary. Instead of sitting in front of a television or a computer, regular exercise can help to stop weight gain as well as help to improve overall fitness. This change in activity can also help to prevent diabetes and heart disease.
You aren't going to become obese overnight - It takes 3500 calories to gain a pound of weight
While it might seem to be otherwise, you aren't going to become obese after eating just one ‘bad' meal. It takes about 3500 excess calories to gain a single pound of fat. On average, a person will usually gain two to five pounds each year. While your weight fluctuates from day to day, you should try to maintain a consistent weight for the maximum health benefits. When you notice a significant weigh gain, you will want to try to take immediate steps - get more exercise, reduce fatty foods. |
There is no such thing as an ideal weight for all. Bodies are all different and every person is unique – so the healthy weight for you as an individual will be something assessed depending on several different factors. 
